Грамматика... 3. Perhaps my neighbours are at work now. My neighbours … be at work now....

Question

Грамматика...
3. Perhaps my neighbours are at work now. My neighbours … be at work now.
Can
May
Could
Might

Answer 1

Я думаю скорее всего may, потому что could и might - это прошедшие формы, а здесь настоящие да еще и be